Home / 188,960,002.80-283,440,004.20-143,274,447.60

Finding the Fourth Proportional to 188,960,002.80, 283,440,004.20 and 143,274,447.60

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Solution

The fourth proportional to 188,960,002.80, 283,440,004.20 and 143,274,447.60 is: 214,911,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,960,002.80 : 283,440,004.20 = 143,274,447.60 : x
  2. Step 2: Convert to fraction form
    188,960,002.80/283,440,004.20 = 143,274,447.60/x
  3. Step 3: Cross multiply
    188,960,002.80x = 283,440,004.20 × 143,274,447.60
  4. Step 4: Simplify right side
    188,960,002.80x = 40,609,710,029,496,680
  5. Step 5: Solve for x
    x = 40,609,710,029,496,680/188,960,002.80
  6. Step 6: Final answer
    x = 214,911,671.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.